package com.ship.common.swagger.config;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.function.Predicate;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.ApiKey;
import springfox.documentation.service.AuthorizationScope;
import springfox.documentation.service.Contact;
import springfox.documentation.service.SecurityReference;
import springfox.documentation.service.SecurityScheme;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.ApiSelectorBuilder;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

//@Configuration
//@EnableSwagger2
//@EnableConfigurationProperties(SwaggerProperties.class)
//@ConditionalOnProperty(name = "swagger.enabled", matchIfMissing = true)
//@Import({SwaggerBeanPostProcessor.class, SwaggerWebConfiguration.class})
public class SwaggerAutoConfiguration
{
//    /**
//     * 默认的排除路径，排除Spring Boot默认的错误处理路径和端点
//     */
//    private static final List<String> DEFAULT_EXCLUDE_PATH = Arrays.asList("/error", "/actuator/**");
//
//    private static final String BASE_PATH = "/**";
//
//    @Bean
//    public Docket api(SwaggerProperties swaggerProperties)
//    {
//        // base-path处理
//        if (swaggerProperties.getBasePath().isEmpty())
//        {
//            swaggerProperties.getBasePath().add(BASE_PATH);
//        }
//        // noinspection unchecked
//        List<Predicate<String>> basePath = new ArrayList<Predicate<String>>();
//        swaggerProperties.getBasePath().forEach(path -> basePath.add(PathSelectors.ant(path)));
//
//        // exclude-path处理
//        if (swaggerProperties.getExcludePath().isEmpty())
//        {
//            swaggerProperties.getExcludePath().addAll(DEFAULT_EXCLUDE_PATH);
//        }
//
//        List<Predicate<String>> excludePath = new ArrayList<>();
//        swaggerProperties.getExcludePath().forEach(path -> excludePath.add(PathSelectors.ant(path)));
//
//        ApiSelectorBuilder builder = new Docket(DocumentationType.SWAGGER_2).host(swaggerProperties.getHost())
//                .apiInfo(apiInfo(swaggerProperties)).select()
//                .apis(RequestHandlerSelectors.basePackage(swaggerProperties.getBasePackage()));
//
//        swaggerProperties.getBasePath().forEach(p -> builder.paths(PathSelectors.ant(p)));
//        swaggerProperties.getExcludePath().forEach(p -> builder.paths(PathSelectors.ant(p).negate()));
//
//        return builder.build().securitySchemes(securitySchemes()).securityContexts(securityContexts()).pathMapping("/");
//    }
//
//    /**
//     * 安全模式，这里指定token通过Authorization头请求头传递
//     */
//    private List<SecurityScheme> securitySchemes()
//    {
//        List<SecurityScheme> apiKeyList = new ArrayList<SecurityScheme>();
//        apiKeyList.add(new ApiKey("Authorization", "Authorization", "header"));
//        return apiKeyList;
//    }
//
//    /**
//     * 安全上下文
//     */
//    private List<SecurityContext> securityContexts()
//    {
//        List<SecurityContext> securityContexts = new ArrayList<>();
//        securityContexts.add(
//                SecurityContext.builder()
//                        .securityReferences(defaultAuth())
//                        .operationSelector(o -> o.requestMappingPattern().matches("/.*"))
//                        .build());
//        return securityContexts;
//    }
//
//    /**
//     * 默认的全局鉴权策略
//     *
//     * @return
//     */
//    private List<SecurityReference> defaultAuth()
//    {
//        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
//        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
//        authorizationScopes[0] = authorizationScope;
//        List<SecurityReference> securityReferences = new ArrayList<>();
//        securityReferences.add(new SecurityReference("Authorization", authorizationScopes));
//        return securityReferences;
//    }
//
//    private ApiInfo apiInfo(SwaggerProperties swaggerProperties)
//    {
//         return new ApiInfoBuilder()
//             .title(swaggerProperties.getTitle())
//             .description(swaggerProperties.getDescription())
//             .license(swaggerProperties.getLicense())
//             .licenseUrl(swaggerProperties.getLicenseUrl())
//             .termsOfServiceUrl(swaggerProperties.getTermsOfServiceUrl())
//             .contact(new Contact(swaggerProperties.getContact().getName(), swaggerProperties.getContact().getUrl(), swaggerProperties.getContact().getEmail()))
//             .version(swaggerProperties.getVersion())
//             .build();
//    }
}
